Wheel



Nov. 29, 1927.

E. R. JACOB! ET AL WHEEL Filed June 1. 1926 2 Sheets-Sheet l q? IINVENTORS E il K Jiw BY 7 m): 2 2 .Zeliane 5 L W AT ORNEY.

Nov. 29, 1927.

E. R. JACOB! ET AL.

WHEEL Filed LJ une 1 1926 2 Sheets-Sheet 2 INVENTORS $7032 .79. \EMZZ'BY nk filefiune Z A TTORNE Y.

Y Patented Nov. 29, 192?. LGSGJM UNITED STATES PATENT OFFICE.

EMI L R. JAdOBI AND FRANK H. LE JEUNE, i315 JACKSON, IVIECHIGAN,ASSIGNORS, BY

MESNE ASSIGNMENTS, TO KELSEY-HAYES WHEEL CORKEORATION, 01E DETROIT,MICHIGAN, A CORPORATION OF NEXV YORK.

WHEEL.

Application filed June 1, 1926. Serial No. 113,065.

This invention relates to wheels and has points that are somewhatspaced, hence each for its object a heavy duty Wheel, more parwheelcontributes its share in holding the ticularly a so-called dual wheelfor trucks. axle in the proper load plane.

Dual wheels, of course, have been the. subdeferring to the drawings: 5:;

5 ject of numerous patents and are today quite Fig. l a side elevationof one of the extensively used on heavy buses and trucks. Wheels. Mostof these dual Wheels are cast iron Fig. '2 is a view partly in elevationand Wheels or tubular or solid spokes, or else partly in; section of thedual Wheels. v they are heavy metal discs. The solid cast Fig. 3 is asection thru the retaining. nut (i 10 or sheet metal discs are open tothe serious and bolt.

objection that they have no ventilation. The (I, and I) designate thethe carrying rims brakes on heavy duty vehicles get very hot, which hereare preferably shown as riveted often due to mail-adjustment and due tothe to the Wheel hub or center which connects the fact that they arerequired to dissipate such rimwvith the'hub. These tire carrying rims(55 5 a. large amoiilnt o'li energy in stopping. The are provided withthe usual tire retaining proper ventilation and air cooling of theserings 0 and (Z which are a Well known con brakes, We believe, has notheretofore been struction in the art and need not be here given properattention. These over-heated further described. The hub comprises abrakes, of course, have a very deleterious heavy casting or forging 0provided with T l effect on the brake lining. The heat is coma\VllQGl-CGIltGE-Stitlb f and an annular municated th-ru the heavy massof metal This hub member is also provided with to the tires and it alsois communicated thru a slight offset in Which forms a bralre-drumthe hubto the grease on the axle and melts seat. Preferably a large brake-drumz' is this and causes it to be thrown out. arranged to be bolted to thisseat by means i It is the purpose of the present invention or th bolts jwhi h pass. thru the flange g to overcome these detects as nearly aspossiand which Serve the further purpose of seble by the properco-ordination of the brake curing, devices for holding the Wheels indrum and ventilating teaturesot the Wheels; place. i I at the same timeafurther aim is to provide Th h l b are d up of reversible so so a lkhs'n 1 Wheel that? y be 13 h ply deeply dished stampings or forgingsdesign made by stamping or forging opera ion hated 7': which divide intoa plurality of which al'l'ord a structure, ot' minimum cost -jbb ]ik n tr b tw h b a d rim, and 0t considerable strength and lO'W frangihi hhgwevgrpwe h it t t ll Spokes i i yl i i for We do not Want them to beconfusedwith A still. "further aim is to provide reversible the ordinaryrigid solid compressive-load dual Wheels which are capable ofn'iounting' carrying members that perform this tune in. place Withoutspacers. and which support tion. These n'ien'ibers, it is true dofunction the load on the hill) :It :1. ll liCl-DOilill between in ameasure as om 'jregsion 'nen' bers but the wheels. Still another factorin the sucwe believe they are more analogous to such 4o cess of our dualWheel is that the Wheel WGl) tension members as Wire spokes, but. oi

l r: 'latively great yieldability vithin the course, have infinitely mowt th h small limits that is permissible in structures bility and freedomfrom the diiliculties and of this kind. ln'short, the load of the axleannoyances that attend the wire spoke on the wheel is more of a tensionload after Wheels. These members partake of this ten- 45 the fashion ofWire spokes than it is a comsion character by reason of their verydepression load after the fashion of solid cast cidedly dishedconstruction. This converts iron discs or the artillery type of Woodenthem from strictly compression members to spoke Wheel. This isespecially advantalargely tension members and gives the Wheel goons andis permissible Without undesirable much easier riding properties than isordi- 1. {$0 efi'ects, particularly in a dual Wheel as here narilypresent in the compression type of the load is supported to, swing fromtwo connecto At the same time this dished

